Maximizing your work happiness should be the theme of your working life. Happiness creates success. When you stop putting in the hours and start extracting joy from work, you'll be successful.
Work is a sort of conditioning. It's not natural to sit at a desk for hours on end, nor is it natural to perform dull, repetitive tasks, but we train ourselves to do it. Unfortunately, it's easy to lose that conditioning, and it takes a while to get it b